Advance physics Definition and 15 Threads

Advancing Physics is an A-level physics course examined by OCR which was developed in association with the Institute of Physics (IOP) with assessment through written examinations and teacher-assessed coursework. It may also be referred to Physics 'B' to distinguish it from OCR's other A-Level Physics course.

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  1. physicsclaus

    Sending drive Pulse in CQED and visualize the state by QuTip

    [Mentor Note -- This thread is a continuation of a previous thread, with the emphasis in this new thread on the programming implementation. Previous thread is here: https://www.physicsforums.com/threads/can-anyone-give-me-the-details-of-creating-a-cat-state-in-circuit-qed.1048821/ ] Hello...
  2. anaisabel

    Delta function to calculate density of probablity

  3. J

    Model with SU(2) gauge symmetry and SO(3) global symmetry

    1.) The rule for the global ##SO(3)## transformation of the gauge vector field is ##A^i_{\mu} \to \omega_{ij}A^j_{\mu}## for ##\omega \in SO(3)##. The proof is by direct calculation. First, if ##A^i_{\mu} \to \omega_{ij}A^j_{\mu}## then ##F^i_{\mu \nu} \to \omega_{ij}F^j_{\mu\nu}##, so...
  4. A

    A bouncing ball hits a blob of putty on the rebound upward

    Please someone help me
  5. J

    Interaction energy of two interpenetrating spheres of uniform charge density

    I am trying to calculate the interaction energy of two interpenetrating spheres of uniform charge density. Here is my work: First I want to calculate the electric potential of one sphere as following; $$\Phi(\mathbf{r})=\frac{1}{4 \pi \epsilon_{0}} \int...
  6. L

    What other information is needed to solve this equation involving b?

    the equation is not equal not to anything (example: 3x = 6) and i don't know how to resolve [e ^ - (b / 2m) t].
  7. RealKiller69

    Why Does My Calculation Have an Extra Factor of 2?

    My solution is not the same, it has an additional *2 factor and i can't see any mistakes.
  8. A

    Question regarding Ray Optics and Probability

    Let there be a sphere whose inner surface consists of a perfectly reflecting surface. It has a hole on it which allows a ray of light to enter. Give the angle made with the normal of the hole when the ray of light enters such that the probability that the ray comes out is the least?Assuming the...
  9. P

    Wire surrounded by a linear dielectric in a uniform E field

    Homework Statement We have an uncharged, conducting wire with radius a. We surround it by a linear dielectric material, εr, which goes out to radius b. We place this in an external electric field, Eo. Homework Equations We have electric potential inside (a < s < b) Vinbetween=Acosφ +...
  10. physicschick21

    Deriving Ball Movement on Northern Hemisphere with Rotating Reference Frame

    I have a ball of mass m that is situated on horizontal plane on the northern Hampshire. I am asked to show that the ball is moving, clockwise, in a manner of r = v / ( 2Ω*sin(λ) ) where v is the ball's velocity, Ω is Earth's angular velocity, and λ is the terrestrial latitude So here's what...
  11. J

    Vectors, how to find average acceleration

    Homework Statement At one instant a bicyclist is 20.5 m due south of a park's flagpole, going due east with a speed of 14.1 m/s. Then, 3.95 s later, the cyclist is 36.3 m due west of the flagpole, going due north with a speed of 18.3 m/s. For the cyclist in this 3.95 second interval, find each...
  12. H

    Maths required for studying intermediate to advance physics

    Hope someone can help me to list the important math topics required to study for a person interested in studying condense matter, solid state physics, intermediate quantum mechanics and particle physics. (I can't get a Personally, i prefer to study math tool before studying the physics...
  13. L

    How long do the balls take to hit the ground?

    Velocity Physics Problem Homework Statement Two students are on a balcony 23.4 m above the street. One student throws a ball, b1, vertically downward at 15.5 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the...
  14. L

    Calculating the Time and Velocity of Two Balls Thrown from a Balcony

    Homework Statement Two students are on a balcony 23.4 m above the street. One student throws a ball, b1, vertically downward at 15.5 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on the way down...
  15. L

    How Do You Calculate the Velocity and Time Differences of Objects in Free Fall?

    Homework Statement A worker drops a wrench from the top of a tower 111.1 m tall. What is the velocity when the wrench strikes the ground? m/s downward Homework Equations x=vt+1/2at^2 intial velocity is 0 The Attempt at a Solution x = 111.1 + 1/2 ?
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